Add with block and fail on non-temp dial error

This guarantees that grpc requests will fail quickly
when the service is not started or does not have permission.
Without the fail on non-temp error the withblock will
cause the client to wait until the timeout before failing.

Fixes #989

Signed-off-by: Derek McGowan <derek@mcgstyle.net>

client.go

@@ -65,9 +65,11 @@ func New(address string, opts ...ClientOpt) (*Client, error) {
 	}
 
 	gopts := []grpc.DialOption{
+		grpc.WithBlock(),
 		grpc.WithInsecure(),
 		grpc.WithTimeout(100 * time.Second),
 		grpc.WithDialer(dialer),
+		grpc.FailOnNonTempDialError(true),
 	}
 	if copts.defaultns != "" {
 		unary, stream := newNSInterceptors(copts.defaultns)